Fig. 3From: On the use of flexible excess hazard regression models for describing long-term breast cancer survival: a case-study using population-based cancer registry dataExcess hazard ratio for categorical covariables, excluding outliers. a Nodal involvement with Yes as reference category. b Grade with Moderately/Not differentiated as reference category. c Hormone receptor status with Positive as reference category. d Radiotherapy with No as reference category. e Chemotherapy with No as reference category. f Hormonal treatment with No as reference categoryBack to article page